CN109782846A - Show equipment - Google Patents

Show equipment Download PDF

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Publication number
CN109782846A
CN109782846A CN201810578840.4A CN201810578840A CN109782846A CN 109782846 A CN109782846 A CN 109782846A CN 201810578840 A CN201810578840 A CN 201810578840A CN 109782846 A CN109782846 A CN 109782846A
Authority
CN
China
Prior art keywords
straight line
rear surface
display panel
line portion
sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810578840.4A
Other languages
Chinese (zh)
Other versions
CN109782846B (en
Inventor
金光浩
崔荣洛
李成泰
林豪杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Display Co Ltd
Original Assignee
LG Display Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Display Co Ltd filed Critical LG Display Co Ltd
Priority to CN202210778449.5A priority Critical patent/CN115175033A/en
Priority to CN202210778447.6A priority patent/CN115145362A/en
Publication of CN109782846A publication Critical patent/CN109782846A/en
Application granted granted Critical
Publication of CN109782846B publication Critical patent/CN109782846B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/642—Disposition of sound reproducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H04R1/347—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers for obtaining a phase-shift between the front and back acoustic wave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

Show equipment.A kind of display equipment is disclosed, which includes: display panel, which is configured as showing image by shining；Rear surface structure, the rear surface structure are configured as surrounding side surface and the rear surface of the display panel；Vibration generating apparatus, the vibration generating apparatus and the rear surface structure are connected and configured to vibrate the display panel；Sound emission part afterwards, the rear sound emission part is between the display panel and the rear surface structure；And rear sound guidance component, the rear sound guidance component is positioned at the display panel and the rear surface structure between, around the vibration generating apparatus and to be configured as connecting with the sound emission part afterwards by spiral-shaped.

Description

Show equipment
Technical field
Embodiment of the present disclosure is related to showing equipment.
Background technique
In general, display equipment is widely used as various equipment as such as electronic device and household electrical appliance (for example, electricity Depending on, monitor, notebook computer, smart phone, tablet personal computer (PC), electronic plane computer, wearable device, Watch phone, mobile information apparatus, navigation, vehicle control display device etc.) in display screen for displaying images.
In general, display equipment may include display panel for displaying images and for exporting and shown image phase The audio unit of the sound of pass.
However, in typically display equipment, the sound that generates in audio unit is towards the lower part or rear portion of display panel It advances, this can lead to tonequality deterioration due to reflecting the interference of sound on wall or floor.Therefore, this will lead to clear biography The difficulty in terms of sound is broadcast, so that the feeling of immersion of user is interrupted.
Summary of the invention
Therefore, embodiment of the present disclosure is related to eliminating significantly one caused by limitation and disadvantage due to the relevant technologies The display equipment and its driving method of a or more problem.
One purpose of embodiment of the present disclosure, which is to provide one kind, to be output to sound in display panel front The display equipment in region.
The another object of embodiment of the present disclosure be to provide it is a kind of can be realized wide bass sound reproduction band and Export the display equipment with the sound wave of high sound pressure level.
It is such as specific real herein in order to realize these and other advantage and according to the purpose of embodiment of the present disclosure It is now and broadly described, a kind of display equipment is provided, which may include: display panel, which is matched It is set to and shows image by shining；Rear surface structure, the rear surface structure are configured as surrounding the side table of the display panel Face and rear surface；Vibration generating apparatus, the vibration generating apparatus and the rear surface structure are connected and configured to make described Display panel vibration；Sound emission part afterwards, the rear sound emission part is between the display panel and the rear surface structure； And rear sound guidance component, the rear sound guidance component is between the display panel and the rear surface structure, to press It is spiral-shaped to surround the vibration generating apparatus and be configured as connecting with the rear sound emission part.
It should be appreciated that the above-mentioned general description and following detailed description of embodiment of the present disclosure are all exemplary reconciliation The property released, and be intended to provide and the disclosure claimed is explained further.
Detailed description of the invention
Attached drawing is included to provide further understanding for embodiment of the present disclosure, and is incorporated into the application and structure At a part of the application, attached drawing instantiates embodiment of the present disclosure, and is used to explain the disclosure together with this specification Embodiment principle.In the accompanying drawings:
Fig. 1 is to illustrate the rearview of the display equipment according to the example embodiment of the disclosure；
Fig. 2 is instantiated to be exported according to the sound of the display equipment of the example embodiment of the disclosure；
Fig. 3 is the cross-sectional view intercepted along the line I-I' of Fig. 1；
Fig. 4 is the cross-sectional view intercepted along the line II-II' of Fig. 1；
Fig. 5 instantiates the vibration generation module of the vibration generating apparatus of the example embodiment according to the disclosure；
Fig. 6 instantiates rear surface cover and vibration production in the display equipment according to another example embodiment of the disclosure Connection structure between raw module；
Fig. 7 instantiates the rear sound guidance component of the example embodiment according to the disclosure；
Fig. 8 instantiates the modification embodiment of rear sound guidance component shown in fig. 7；
Fig. 9 instantiates another modification embodiment of rear sound guidance component shown in fig. 7；
Figure 10 instantiates the rear sound guidance component of another example embodiment according to the disclosure；And
The figure of the modification embodiment of sound guidance component after Figure 11 is instantiated shown in Figure 10.
Specific embodiment
Reference will now be made in detail to the illustrative embodiment of the disclosure, the example for instantiating the disclosure in the accompanying drawings is real Apply the example of mode.In the case of any possible, it is referred to throughout the drawings using identical reference label same or similar Component.By by referring to accompanying drawing and the following implementation that describes come the advantages of illustrating the disclosure and feature and its realization side Method.However, the disclosure can implement in different forms, and should not be construed as being limited to described herein Embodiment.On the contrary, provide these embodiments, so that the disclosure will be thorough and complete, and by the model of the disclosure It encloses and is fully conveyed to those skilled in the art.In addition, being defined only by the scope of the appended claims the disclosure.
Disclosed in the accompanying drawings, the shape for describing implementation of the disclosure mode, size, ratio, angle and number are only It is example, and therefore, the present disclosure is not limited to the details of illustration.Similar reference label refers to similar element from beginning to end. In the following description, when the detailed description of relevant known function or configuration is confirmed as unnecessarily making the weight of the disclosure When main points are smudgy, the detailed description will be omitted.
In the case that " comprising ", " having " and the "comprising" described in the present specification is by use, unless having used " only ", it otherwise can also add another component.Unless mentioning on the contrary, otherwise the term of singular may include plural form.
When explaining element, although the element is interpreted as including error range without explicitly describing.
When describing positional relationship, for example, when sequence of positions is described as "On ", "Top ", "Under It is square " and "It may include discontiguous situation when side ", unless using " just " or " direct ".
When describing time relationship, for example, when time sequencing is described as "Later ", " afterLater ", it " occupy Later " and "It may include discontinuous situation when before ", unless using " just " or " direct ".
It will be appreciated that though term " first ", " second " etc. can be used herein to describe various elements, but these Element should not be limited by these terms.These terms are only used to distinguish an element with another element.For example, not In the case where being detached from the scope of the present disclosure, first element can be referred to as second element, and similarly, and second element can be by Referred to as first element.
In addition, it should be understood that term "at least one" includes all combinations relevant to any one.For example, " first yuan Part, second element and third element at least one of are worked as " it may include being selected from first element, second element and third element Each element in all combinations for two or more elements selected and first element, second element and third element.This Outside, if mention to first element be located at second element " above ", it should be appreciated that first element and second element can be with those This contact, or it can be inserted into third element between the first member and the second member.
As capable of fully understanding those skilled in the art, the feature of the various embodiments of the disclosure can portion Point or be fully bonded to each other or combine, and mutual operation and can technically be driven differently from one another.The disclosure Embodiment can execute independently of one another, or can be executed together with common dependence.
Hereinafter, the display equipment according to the example embodiment of the disclosure is described in detail with reference to the accompanying drawings.
Fig. 1 is to illustrate the rearview of the display equipment according to the example embodiment of the disclosure.Fig. 2 is instantiated according to this public affairs The sound of the display equipment for the example embodiment opened exports.Fig. 3 is the cross-sectional view intercepted along the line I-I' of Fig. 1.Fig. 4 is The cross-sectional view intercepted along the line II-II' of Fig. 1.
Referring to figs. 1 to Fig. 4, the display equipment according to the example embodiment of the disclosure may include display panel 100, after Surface texture 300, vibration generating apparatus 500, rear sound emission part 700 and rear sound emit guide portion 900.
Display panel 100 for displaying images is arranged on the vibration of the vibration generating apparatus 500 at its rear surface, and The preceding sound wave (FSW) generated by vibration is output to front direction (FD) by display panel 100.Herein, according to display panel 100 Vibration, preceding sound wave (FSW) is output to front direction (FD), can be referred to as direct sound wave (direct sound wave)。
It can be any kind of flat display panel or curved according to the display panel 100 of the example embodiment of the disclosure Bent display panel, for example, liquid crystal display panel, organic light emitting display panel, quantum dot display device, micro-led aobvious Show panel and electrophoretic display panel, but not limited to this.Spy is not limited to according to the display panel 100 of the example embodiment of the disclosure Determine type, that is, can be according to the display panel 100 of the example embodiment of the disclosure can be by vibration generating apparatus 500 It vibrates to generate any kind of display panel of sound wave.
Display panel 100 according to the example embodiment of the disclosure may include thin-film transistor array base-plate, pixel Array layer and package substrate, thin-film transistor array base-plate have the multiple pixels limited by a plurality of gating line and multiple data lines And the thin film transistor (TFT) prepared in each pixel to drive each pixel；Pel array layer with luminescent device is in film It is prepared on transistor (TFT) array substrate；Package substrate is for covering pel array layer.Herein, package substrate protective film transistor With luminescent device from external impact, and prevent moisture infiltration into luminescent device.
Rear surface structure 300 is arranged in the rear surface of display panel 100, and wherein rear surface structure 300 supports display surface Plate 100.In addition, the vibration generating apparatus that rear surface structure 300 is supported and is fixed in the rear surface of display panel 100 500。
It can be implemented in and be arranged in display panel 100 according to the rear surface structure 300 of the example embodiment of the disclosure Rear surface on base portion in, or can be implemented in intermediate casing, which is arranged to surround display surface The side surface of plate 100 connect with base portion and is arranged to accommodate an edge of display panel 100 to support display panel 100.For example, intermediate casing can have the cross section of " ┤ " shape.Rear surface structure 300 can be implemented in base portion or In the intermediate casing being connect with base portion, but not limited to this.Rear surface structure 300 may include after capable of supporting display panel Surface surrounds the rear surface of display panel 100 and any structure of both side surfaces.
In the disclosure, rear surface structure 300 can with such as shell, base portion, rear cover, bedframe, metal framework, Other terms as metab, pedestal base portion or m- casing (m-chassis) indicate.Therefore, rear surface structure 300 can To be implemented as being used as any kind of frame for supporting the supporting member of display panel 100, and it is configured as surrounding aobvious Show rear surface and the side surface of equipment.
Rear surface structure 300 according to the example embodiment of the disclosure may include rear surface cover 310 and side surface Cover 330.
There are in the case where clearance space between rear surface cover 310 and the rear surface of display panel 100, rear surface lid The entire rear surface of the covering of portion 310 display panel 100.For example, rear surface cover 310 may include the glass with plate shape, At least one of metal and plastic material.
Side surface cover 330 is formed on each side table that display panel 100 is surrounded in the edge of rear surface cover 310 Face.For example, side surface cover 330 can be perpendicular to the edge of rear surface cover 310, or it can be relative to rear surface cover 310 edge less than 90 ° to tilt, to form accommodation space in rear surface cover 330.Therefore, rear surface structure 300 can be with It is the hull shape with open front surface and closed side surface and rear surface.
Side surface cover 330 is arranged with preset distance (D1) from each side surface 100a of display panel 100.Therefore, root Display equipment according to the example embodiment of the disclosure includes each side surface 100a and rear surface for being formed in display panel 100 Boundary gap (BG) between the side surface cover 330 of structure 300.Boundary gap (BG) is arranged to surround display panel 100 Each side surface 100a.Therefore, boundary gap (BG) can be defined as will by display panel 100 vibration generate Sound wave is emitted to the space of the front direction (FW) of display panel 100 afterwards.
It can also include being arranged in side surface cover 330 according to the rear surface structure 300 of the example embodiment of the disclosure Radius (rounding portion) 350 between rear surface cover 310.With side surface cover 330 be bent to from The edge of rear surface cover 310 plays the curve shape with predetermined curvature, and radius 350 is arranged on 330 He of side surface cover Between rear surface cover 310.Radius 350 will towards boundary gap (BG) rear sound wave advanced travel path towards display surface The front direction (FW) of plate 100 guides, and sound wave is secondary after thus reducing and/or minimizing as caused by side surface cover 330 Reflection.For this purpose, in one example, side surface cover 330 from the edge of rear surface cover 310 withInclination.
Rear surface structure 300 according to the example embodiment of the disclosure may include in glass, plastics and metal material At least one material.According to example embodiment, the rear surface structure 300 of glass material can be formed by sapphire glass. According to another example embodiment, the rear surface structure 300 of metal material can be by aluminium, aluminium alloy, magnesium alloy and iron-nickel alloy Any material formed.According to another example embodiment, rear surface structure 300 can be formed glass plate and metal The laminar structure of plate, wherein the metal plate in face of the rear surface of display panel 100 can be relatively thinner than glass plate.
According to the rear surface structure 300 of the example embodiment of the disclosure can by using panel connecting elements 200 with The back edge of display panel 100 connects.The back edge and rear surface structure of display panel 100 is arranged in panel connecting elements 200 Between 300 leading edge, so that display panel 100 and rear surface structure 300 are glued each other by using panel connecting elements 200 It connects.Panel connecting elements 200 according to the example embodiment of the disclosure may include double faced adhesive tape, two-sided adherency foam pad, Hot setting adhesive or Photocurable adhesive.
Vibration generating apparatus 500 fixed to rear surface structure 300 directly vibrates display panel 100.Setting is being shown Vibration generating apparatus 500 in the rear surface of panel 100 directly vibrates display panel, so that sound wave is output to display panel 100 front direction (FD).For example, vibration generating apparatus 500 uses display panel 100 as oscillating plate to generate sound wave, by This vibration generating apparatus 500 can be represented as flexible piezoelectric sound-generating devices.
Pass through rear surface structure 300 and display panel according to the vibration generating apparatus 500 of the example embodiment of the disclosure 100 rear surface contact.The top of vibration generating apparatus 500 is inserted into the module insertion hole formed in rear surface structure 300 In, then connect with the rear surface of display panel 100, and the lower part of vibration generating apparatus 500 with rear surface structure 300 While rear surface contacts in the rear surface fixed to rear surface structure 300.Therefore, it is used as supporting member in rear surface structure 300 In the case where, vibration generating apparatus 500 is vibrated according to voice signal related or incoherent to the image of display, and is shown Panel 100 is vibrated according to the vibration of vibration generating apparatus 500, thus according to display panel 100 vibration and the sound wave that generates It is directly output to the front direction (FD) of display panel 100.
Vibration generating apparatus 500 according to the example embodiment of the disclosure may include the first vibration generation module 510 With the second vibration generation module 530.
Central part (CP) of the first vibration generation module 510 relative to the first direction (X or lateral) of display panel 100 It is contacted with the left region (LA) of the rear surface of display panel 100, so that the left region (LA) of display panel 100 be made to vibrate.According to First vibration generation module 510 of the example embodiment of the disclosure can be with the left region in the rear surface of display panel 100 (LA) central part contact.
Second vibration generation module 530 is contacted with the right region (RA) of the rear surface of display panel 100, to make display surface The right region (RA) of plate 100 vibrates.It can be with display according to the second of the example embodiment of the disclosure the vibration generation module 530 The central part in the right region (LA) in the rear surface of panel 100 contacts.
According in the first of the example embodiment of the disclosure the vibration generation module 510 and the second vibration generation module 530 Each can be loudspeaker, actuator, driver, energy converter or piezo-electric device, but not limited to this.For example, according to this Each of first vibration generation module 510 of disclosed example embodiment and the second vibration generation module 530 can be Any flexible piezoelectric sound-generating devices of sound wave can be exported according to electric signal.Selectively, according to the example embodiment of the disclosure First vibration generation module 510 and second vibration each of generation module 530 may include being separated from each other and each other At least two sons vibration generation module disposed in parallel.
Sound emission part 700 after being formed between display panel 100 and rear surface structure 300, thus along display panel The boundary gap (BG) that 100 side surface is formed is connected to the space formed between display panel 100 and rear surface structure 300. That is, rear sound emission part 700 and the rear sound by being arranged between display panel 100 and rear surface structure 300 emit The rear acoustic transmission path that guide portion 900 is formed connects (connection), and thus rear sound emission part 700 can be defined as by rear sound Sound emits the open-ended portion for the rear acoustic transmission path that guide portion 900 is formed.After the example embodiment of the disclosure Sound emission part 700 can be by removing the first direction (X) with display panel 100 with two edges of display panel 100 The overlapping panel adhesive member 200 in the parallel some regions of vertical second direction (Y, vertical direction) and formed.For example, can be with It is predetermined by will be removed with the overlapping panel adhesive member 200 in the lower edge portion (LEA) of 100 left edge of display panel and right hand edge Distance forms rear sound emission part 700, but not limited to this.It can be by by the left edge and right hand edge with display panel 100 The overlapping panel adhesive member 200 of upper edge remove preset distance come part 700 of pronouncing after being formed.
Sound transmitting guide portion 900 is formed between display panel 100 and rear surface structure 300 by spiral-shaped afterwards It is connect around vibration generating apparatus 500, and with rear sound emission part 700.It is sent out in rear sound transmitting guide portion 900 and rear sound While penetrating the connection of portion 700, vibration generating apparatus 500 is surrounded at least once by rear sound transmitting guide portion 900.Sound emits afterwards Guide portion 900 has relative to the spiral-shaped of the vibration generating apparatus 500 between display panel 100 and rear surface structure 300, And form the rear sound guidance path 910 connecting with rear sound emission part 700.In this case, it is located at display panel 100 The air in space between rear surface structure 300 is discharged by rear sound emission part 700, thus rear sound emission part 700 It can be represented as rear sonic tube.Afterwards sound transmitting guide portion 900 provide for by according to the driving of vibration generating apparatus 500 by Before the vibration of display panel 100 and the rear sound wave (RSW) that generates are by the guidance to display panel 100 of rear sound emission part 700 The spiral-shaped rear sound guidance path 910 in face direction (FD), thereby increases bass sound reproduction band.In such case Under, the front direction (FW) of display panel 100 is emitted to by rear sound transmitting guide portion 900 and rear sound emission part 700 The phase of the phase of sound wave (RSW) and the preceding sound wave (FSW) exported according to the vibration of display panel 100 from display panel 100 afterwards It is identical, make it possible to increase the bass sound reproduction band of the sound wave exported from display equipment, and sound pressure level can also be increased.
It therefore, include: that rear sound emits guide portion 900, quilt according to the display equipment of the example embodiment of the disclosure It is configured to make by spiral-shaped around the vibration generating apparatus 500 being arranged between display panel 100 and rear surface structure 300 It obtains and is produced according to the driving of vibration generating apparatus 500 by the vibration of display panel 100 by using rear sound transmitting guide portion 900 Raw rear sound wave (RSW) is launched into the front direction (FD) of display panel 100 by rear sound emission part 700, to realize The output of wide bass sound reproduction band and the sound with high sound pressure level.
Fig. 5 instantiates the vibration generation module of the vibration generating apparatus of the example embodiment according to the disclosure.Referring to figure 5, it is configured as according to the vibration generation module 510 and 530 of the example embodiment of the disclosure according to fixed based on Fleming left hand The electric current (or sound stream) then applied come make display panel 100 vibrate.
It can be by being arranged to and display panel according to the vibration generation module 510 and 530 of the example embodiment of the disclosure The actuator of 100 rear surface contact is formed.The vibration generation module 510 and 530 of actuator may include module frame 501, Magnet 502, center-pole 503, spool 504, coil 505, external frame 506 and damper 507.
Module frame 501 is fixed to rear surface structure 300, and is partially inserted into and is formed in rear surface structure 300 In module insertion hole 300h in rear surface cover 310.It is inserted as the presumptive area on the top of module frame 501 is inserted into module Enter in the 300h of hole, module frame 501 is arranged relative to the thickness direction (Z) of display panel 100 in display panel 100 and rear surface In clearance space between structure 300.Predetermined gap is formed between module frame 501 and module insertion hole 300h.This is predetermined Gap is used as the ventilation opening of the air in the clearance space (GS) for the vibration of display panel 100 smoothly recycled, and also As for be discharged other than according to the acoustic pressure of the vibration of display panel 100 by driving vibrate generation module 510 and 530 The outlet of the noise contribution of generation.
It include frame fixed part 501a according to the module frame 501 of the example embodiment of the disclosure.From module frame 501 Side surface frame fixed part 501a outstanding and rear surface structure 300 proximity modules insertion hole 300h rear surface cover 310 is overlapping.
It can be by using bolt 410 and nut 420 according to the frame fixed part 501a of the example embodiment of the disclosure Rear surface cover 310 fixed to rear surface structure 300.
It may be implemented as after being fixed to rear surface structure 300 according to the nut 420 of the example embodiment of the disclosure The self-locking nut of surface cover 310.Self-locking nut according to the example embodiment of the disclosure may includeNut.Such as Fruit nut 420 is such asThe self-locking nut of nut, then it is partly absorbing in vibration generation module 510 in nut 420 With 530 in the vibration that generates, make it possible to reduce the vibration for the rear surface cover 310 for being transmitted to rear surface structure 300.According to this The bolt 410 of disclosed example embodiment can be coupled by frame fixed part 510a with nut 420.
It can be by using such as double faced adhesive tape according to the frame fixed part 501a of another example embodiment of the disclosure Adhesive member is fixed to the rear surface cover 310 of rear surface structure 300.In this case, adhesive member according to its elasticity and Thickness is used as a kind of damper, makes it possible to reduce and/or minimize by driving vibration generation module 510 and 530 to generate Vibrate the transmitting to the rear surface cover 310 for being connected to rear surface structure 300.
As center-pole 503, spool 504 and coil 505 are arranged in module frame 501, magnet 502 can be by for making The magnetic circuit unit or vibration section 500a that display panel 100 vibrates indicate.
It can have wherein magnet 502 according to the magnetic circuit unit of the example embodiment of the disclosure to be arranged outside coil 505 The external type (or dynamic type) in portion, or can have wherein magnet 502 and the inner inside coil 505 is set.Inner Vibration generation module 510 and 530 can have vibration generating apparatus small magnetic leakage flux and reduced overall dimensions it is excellent Point.Display equipment according to the example embodiment of the disclosure may include external type or inner vibration 510 He of generation module 530.It is assumed in the following that including that inner vibrates generation module 510 and 530.
Magnet 502 can be permanent magnet.Barium ferrite can be used according to the magnet 502 of the example embodiment of the disclosure Sintered magnet, and magnet 502 can be by iron oxide (Fe2O3), barium carbonate (BaCO3), neodymium (Nd) magnet, have improve magnetic Property strontium ferrite, aluminium (Al), nickel (Ni) or cobalt (Co) alloy casting magnet formed, but not limited to this.Magnet 502 can be with It is with annular shape.
Spool 504 is accommodated in magnet 502 or is inserted into magnet 502.For example, as spool 504 is inserted into Circumferential surface to the inside of magnet 502, spool 504 is surrounded by magnet 502.According to the spool of the example embodiment of the disclosure 504 alloy, polyacrylic synthetic resin or the polyamide-based fibers that can be paper pulp or paper conversion material, aluminium, magnesium, aluminium and magnesium Structure.It can have round or ellipse shape according to the spool 504 of the example embodiment of the disclosure, but not limited to this. Compared with circular bobbin, oval spool 504 can improve high pitch sound quality and heat dissipation by reducing the heat generated with vibration Characteristic.
Coil 505 is wound to surround lower circumferential surface (the lower circumferential of spool 504 Surface), and the external sound stream provided is supplied to coil 505.Coil 505 and 504 1 lifting of spool.Here, coil 505 can be represented as voice coil.If applying electric current to coil 505, entire spool 504 is guided by center-pole 503, and base In the magnetic field of the application formed around coil 505 and the external magnetic field formed around magnet 502 according to Fleming's left hand Rule moves in the up-down direction.
In addition, the front surface (or front end) of spool 504 is contacted with the rear surface of display panel 100.Therefore, spool 504 Whether according to applying electric current and vibrate the rear surface of display panel 100, and sound wave is generated by the vibration of display panel 100 's.
In addition, spool 504 may include spool protection component.Spool protection component is arranged in the front surface of spool 504, And spool protects component that the movement (or vibration) of spool 504 is transferred to the rear surface of display panel 100.According to the disclosure The spool protection component of example embodiment can be attached to the annular board member of the front surface of spool 504, for covering line The round board member of the front surface of axis 504 or the The lid component of the front end for covering spool 504.
Center-pole 503 is accommodated in spool 504 or is inserted into spool 504, to guide the movement of spool 504. For example, the circumferential surface of center-pole 503 is by spool when center-pole 503 is inserted into the inside with cylindrical spool 504 504 surround.In this case, center-pole 503 can be represented as lifting guider or pole piece.
In addition, can also include upper plate 508 according to the magnetic circuit unit of the example embodiment of the disclosure.Upper plate 508 and mould The edge part connection of block frame 501 is around the coil 505 being arranged in module frame 501.Implemented according to the example of the disclosure The upper plate 508 of mode can the magnetic material as such as iron (Fe) formed.Module frame 501 and upper plate 508 are not limited to this A little terms, that is to say, that their other terms as such as magnetic yoke indicate.
External frame can be set while vertical with the leading edge of the leading edge of module frame 501 or upper plate 508 506.External frame 506 supports damper 507.
Damper 507 is arranged between external frame 506 and magnetic circuit unit.For example, damper 507 can be set in outside Between frame 501 and the spool of magnetic circuit unit 504.Damper 507 can be other as such as pocket-wheel, suspension or edge Term indicates.
It can be connect, and hindered with external frame 506 according to one end of the damper 507 of the example embodiment of the disclosure The other end of Buddhist nun's device 507 can be connect with the outer surface of upper of spool 504.Damper 507 is formed between its ends between Pleated structure, thus damper 507 controls spool 504 up and down through contraction and relaxation exercise according to spool 504 It vibrates up and down.As damper 507 is connected between spool 504 and external frame 506, damper 507 is controlled by restoring force The oscillation distances of spool 504 processed.For example, spool 504 can pass through if spool 504 vibrates to be higher or lower than preset distance The restoring force of damper 507 and be restored to its initial position.
It selectively, may include to each other according to the vibration generation module 510 and 530 of the example embodiment of the disclosure Two or more height vibration generation module for separating and being set parallel to each other.Every height vibration generation module have with it is above-mentioned Vibrate the identical structure of generation module 510 and 530.
In addition, can also include radiating component 150 according to the display equipment of the example embodiment of the disclosure.Radiating component 150 are attached to the rear surface of the display panel 100 overlapping with vibration generation module 510 and 530.Radiating component 150 can be with vibration The spool 504 of dynamic generation module 510 and 530 connects, or can be connect by using connecting elements with spool protection component.It dissipates Center setting of the hot component 150 relative to vibration generation module 510 and 530, so that for driving vibration 510 He of generation module 530 thermal expansions generated are scattered to display panel 100, to prevent the deterioration of vibration generation module 510 and 530.According to the disclosure The radiating component 150 of example embodiment can be by the metal material with high thermal conductivity (for example, aluminium (Al), copper (Cu), silver (Ag), magnesium (Mg) or their alloy) it is formed.Herein, radiating component 150 can use such as radiator, cooling fin, heat dissipating layer Or other terms as heat sink indicate.
Display panel 100 is vibrated according to the vibration generation module 510 and 530 of the example embodiment of the disclosure, so that The sound wave generated according to the vibration of display panel 100 is output to front direction (FD).
Fig. 6 instantiates rear surface cover and vibration production in the display equipment according to another example embodiment of the disclosure It gives birth to the connection structure (it is obtained by changing the rear surface cover of rear surface structure) between module and is located at rear surface lid Connection structure between portion and vibration generation module.
Referring to Fig. 6, according to the display equipment of another example embodiment of the disclosure, rear surface structure 300 rear surface cover 310 may include the first rear surface lid 310-1 and the second rear surface lid 310-2.
For covering the first vibration of the first rear surface lid 310-1 and vibration generating apparatus of the rear surface of display panel 100 Dynamic generation module 510 and the second vibration generation module 520 connect.According to the first rear surface lid of the example embodiment of the disclosure 310-1 can be the metal plate of metal material.For example, the first rear surface lid 310-1 may include the aluminium with thermal conductive resin (Al) material.
For cover the first rear surface lid 310-1 rear surface the second rear surface lid 310-2 by with the first rear surface lid 310-1 different materials are formed.It can be glass material according to the second rear surface lid 310-2 of the example embodiment of the disclosure Or the board member of stainless steel material.
First rear surface lid 310-1 can front surface by using lid adhesive member and with the second rear surface lid 310-2 Connection.It is fully inserted into according to the lid adhesive member of the example embodiment of the disclosure in the first rear surface lid 310-1 and Between two rear surface lid 310-2.In this case, lid adhesive member can be adhered resin.According to the another of the disclosure In the case where the lid adhesive member of example embodiment, the first rear surface lid 310-1 and the second rear surface lid 310-2 are with phase each other It is arranged away from predetermined space, thus forms predetermined gap between the first rear surface lid 310-1 and the second rear surface lid 310-2.? In this case, lid adhesive member can be the flexible double faced adhesive tape or two-sided adherency foam pad for absorbing vibration.
According to the rear surface structure 300 of the example embodiment of the disclosure include can easily with vibration generation module 510 and 530 connection metal materials the first rear surface lid 310-1 and can be realized display equipment good design glass Second rear surface lid 310-2 of material or stainless steel material.
Vibration generation module 510 and 530 according to the example embodiment of the disclosure may include module frame 501, magnetic Body 502, center-pole 503, spool 504, coil 505, external frame 506 and damper 507.
Module frame 501 is fixed to the first rear surface lid 310-1 of rear surface structure 300.With module frame 501 The presumptive area on top is inserted into module insertion hole 1300h, thickness side of the module frame 501 relative to display panel 100 It is arranged in the clearance space between display panel 100 and rear surface structure 300 to (Z).Herein, module is inserted into hole 1300h Across the first rear surface lid 310-1 and the second rear surface lid 310-2.
It include frame fixed part 501a according to the module frame 501 of the example embodiment of the disclosure.From module frame 501 Side surface frame fixed part 501a outstanding and rear surface structure 300 proximity modules insertion hole 1300h the first rear surface It is overlapping to cover 310-1.
It can be by using bolt 1410 and nut according to the frame fixed part 501a of the example embodiment of the disclosure 1420 connect with the first rear surface lid 310-1 of rear surface structure 300.
It may be implemented as the fixed to rear surface structure 300 according to the nut 1420 of the example embodiment of the disclosure The self-locking nut of one rear surface lid 310-1.May include according to the self-locking nut of example embodimentNut.If spiral shell Mother 1420 byNut is formed, then partly absorbing in nut 1420 to generate in vibration generation module 510 and 530 Vibration makes it possible to reduce the vibration for the rear surface cover 310 for being transmitted to rear surface structure 300.It is real according to the example of the disclosure The bolt 1410 for applying mode can be coupled by frame fixed part 501a with nut 1420.
Phase in magnet 502, center-pole 503, spool 504, coil 505, external frame 506 and damper 507 and Fig. 5 Together, therefore in all the appended drawings will refer to the same or similar component using identical reference label, and will omit for The detailed description of same parts.
It selectively, may include to each other according to the vibration generation module 510 and 530 of the example embodiment of the disclosure Two or more height vibration generation module for separating and being set parallel to each other.Every height vibration generation module have with it is above-mentioned Vibrate the identical structure of structure of generation module 510 and 530.
After the vibration generation module 510 and 530 and the first of rear surface structure 300 of the example embodiment of the disclosure Surface cover 310-1 connection so that vibration generation module 510 and 530 be closely attached to display panel 100 reduce second after The rear surface of the thickness of surface cover 310-2.Therefore, it can will show that the thickness of equipment reduces the second rear surface lid 310-2 thickness Degree.
Fig. 7 instantiates the rear sound guidance component of the example embodiment according to the disclosure.Carry out reference in conjunction with Fig. 2 to Fig. 4 Fig. 7, emitting guide portion 900 according to the rear sound of the example embodiment of the disclosure may include having the spiral of straight line or curve The spacer lines (BL) (or barrier line) of shape, around the first vibration generation module 510 and the second vibration generation module 530.
Spacer lines (BL) can have constant width and height.For example, spacer lines (BL) can be by with constant width It is formed with the double faced adhesive tape of height or two-sided adherency foam pad.In this case, the height of spacer lines (BL) can be with panel The height of adhesive member 200 is identical.The front surface of spacer lines (BL) is attached to the rear surface of display panel 100, and spacer lines (BL) rear surface is attached to the rear surface cover 310 of rear surface structure 300.
Spacer lines (BL) according to the example embodiment of the disclosure may include the helically shaped first straight line of setting Part to (n) straight line portion (Herein, ' n' be 5 or the integer greater than 5), with around vibration generation module 510 With 530.
In first straight line part to (n) straight line portionIn the middle, (i+1) straight line portion (Li+1, this paper In, ' i' isInteger) from one end of (i) straight line portion (Li) be bent.(i+1) straight line portion (Li+1) can be with From one end 90-degree bent of (i) straight line portion (Li).In this case, the length of (i+1) straight line portion (Li+1) is greater than The length of (i) straight line portion (Li), so that spacer lines (BL) surround vibration generating apparatus 510 and 530, that is, spiral-shaped Vibrate the oscillating component of generation module 510 and 530.Therefore, (i) straight line portion (Li) and (i+2) straight line portion (Li+2) It is located in parallel to one another, and (i+1) line part (Li+1) and (i+3) straight line portion (Li+3) are located in parallel to one another. For example, the length of (i+1) straight line portion (Li+1) can be grown along a first direction than the length of (i) straight line portion (Li) (X) or the interval between second direction (Y) straight line portion adjacent to each other.First straight line part is to (n) straight line portionThe straight line portion of odd-numbered in the middle is parallel to first direction X (or second direction Y), and first straight line Divide to (n) straight line portionThe straight line portion of even-numbered in the middle can be parallel to second direction Y (or first Direction X).
For example, spacer lines (BL) may include first straight line part to the 11st straight line portionWith first Straight line portion is to the 11st straight line portionIt is configured to surround vibration generation module 510 and 530 with spiral-shaped, Spacer lines (BL) form the first voice path to the 7th voice path for having straight length differentIt is spiral-shaped Rear sound guidance path 910.In this case, rear sound guidance path 910 may be expressed as rear sound guidance pipe, and Voice pathIt may be expressed as sound pipe or pipeline (duct).
Hereinafter, the helically straight line portion of the vibration section 500a around the first vibration generation module 510 of shape The arragement construction of sound transmitting guide portion 900 afterwards, that is, first straight line part to the 11st straight line portion It will be detailed Carefully it is described as follows.
First straight line part (L1) is arranged on the first vibration generation module 510 while being parallel to first direction (X) Upside, second straight line part (L2) while being parallel to second direction (Y) from the one end of first straight line part (L1) be bent And be arranged on the right side of the first vibration generation module 510, third straight line portion (L3) from second straight line part (L2) one End is bent and under conditions of the first vibration generation module 510 is disposed there between parallel with first straight line part (L1) While be arranged on the downside of the first vibration generation module 510, and the 4th straight line portion (L4) is from third straight line portion (L3) one end bending and first vibration generation module 510 be disposed there between under conditions of with second straight line part (L2) left side of the first vibration generation module 510 is arranged on while parallel.First straight line part is to the 4th straight line portion Each of (L1, L2, L3, L4) is arranged with interval identical with the first vibration generation module 510, so as to around the first vibration Generation module 510 is primary, to form chamber (CC) in the periphery of the first vibration generation module 510.In this case, chamber Room (CC) has the first opening (OP1) formed between first straight line part (L1) and the 4th straight line portion (L4), so that chamber Room (CC) has hull shape, and upper left is partly opened wide in planar structure.Therefore, passed through according to display panel 100 The rear sound wave that the vibration of driving the first vibration generation module 510 generates in chamber (CC) can be opened from chamber (CC) by first Mouth (OP1) transmitting is transmitted to rear sound emission part 700.
5th straight line portion (L5) is while parallel with first straight line part (L1) from the one of the 4th straight line portion (L4) End bending, and the 5th straight line portion (L5) is arranged on the upside of first straight line part (L1).5th straight line portion (L5) with It is arranged with first straight line part (L1) at a distance of constant interval, thus the 5th straight line portion (L5) and first straight line part (L1) shape At the first voice path (P1).First voice path (P1) is connected to the first opening (OP1) of chamber (CC), so that passing through chamber (CC) going direction changing of the rear sound wave of the first opening (OP1) transmitting is first direction (X).
6th straight line portion (L6) is while parallel with second straight line part (L2) from the one of the 5th straight line portion (L5) End bending, and the 6th straight line portion (L6) is arranged on the right side of second straight line part (L2).6th straight line portion (L6) with It is arranged with second straight line part (L2) at a distance of constant interval, thus the 6th straight line portion (L6) and second straight line part (L2) shape At second sound path (P2).Second sound path (P2) is connected to the first voice path (P1), so that passing through the first sound road The going direction changing of the rear sound wave of diameter (P1) transmitting is second direction (Y).
7th straight line portion (L7) is while parallel with third straight line portion (L3) from the one of the 6th straight line portion (L6) End bending, and the 7th straight line portion (L7) is arranged on the downside of third straight line portion (L3).7th straight line portion (L7) with It is arranged with third straight line portion (L3) at a distance of constant interval, thus the 7th straight line portion (L7) and third straight line portion (L3) shape At third voice path (P3).Third voice path (P3) is connected to second sound path (P2), so that passing through second sound road The going direction changing of the rear sound wave of diameter (P2) transmitting is first direction (X).
8th straight line portion (L8) is while parallel with the 4th straight line portion (L4) from the one of the 7th straight line portion (L7) End bending, and the 8th straight line portion (L8) is arranged on the left side of the 4th straight line portion (L4).8th straight line portion (L8) with It is arranged with the 4th straight line portion (L4) at a distance of constant interval, thus the 8th straight line portion (L8) and the 4th straight line portion (L4) shape At falling tone sound path (P4).Falling tone sound path (P4) is connected to third voice path (P3), so that passing through third sound road The going direction changing of the rear sound wave of diameter (P3) transmitting is second direction (Y).
9th straight line portion (L9) is while parallel with the 5th straight line portion (L5) from the one of the 8th straight line portion (L8) End bending, and the 9th straight line portion (L9) is arranged on the upside of the 5th straight line portion (L5).9th straight line portion (L9) with It is arranged with the 5th straight line portion (L5) at a distance of constant interval, thus the 9th straight line portion (L9) and the 5th straight line portion (L5) shape At fifth sound sound path (P5).Fifth sound sound path (P5) is connected to falling tone sound path (P4), so that passing through falling tone sound road The going direction changing of the rear sound wave of diameter (P4) transmitting is first direction (X).
Tenth straight line portion (L10) is while parallel with the 6th straight line portion (L6) from the one of the 9th straight line portion (L9) End bending, and the tenth straight line portion (L10) is arranged on the right side of the 6th straight line portion (L6).Tenth straight line portion (L10) with It is arranged with the 6th straight line portion (L6) at a distance of constant interval, thus the tenth straight line portion (L10) and the 6th straight line portion (L6) Form the 6th voice path (P6).6th voice path (P6) is connected to fifth sound sound path (P5), so that passing through fifth sound sound The going direction changing of the rear sound wave of path (P5) transmitting is second direction (Y).
11st straight line portion (L11) is while parallel with the 7th straight line portion (L7) from the tenth straight line portion (L10) One end bending, and the 11st straight line portion (L11) is arranged on the downside of the 7th straight line portion (L7).11st straight line portion Point (L11) to be arranged with the 7th straight line portion (L7) at a distance of constant interval, thus the 11st straight line portion (L11) and the 7th is directly Line part (L7) forms the 7th voice path (P7).7th voice path (P7) is connected to the 6th voice path (P6), so that logical The going direction changing for crossing the rear sound wave of the 6th voice path (P6) transmitting is rear sound emission part 700.
In the example embodiment of the disclosure, the rear sound around the second vibration generation module 530 emits guide portion 900 can draw relative to the central part (CP) of display panel 100 with the rear sound transmitting around the first vibration generation module 510 It is symmetrical to lead portion 900.That is, being generated around the rear sound transmitting guide portion 900 of the first vibration generation module 510 and around the second vibration The rear sound transmitting guide portion 900 of module 530 has the symmetrical structure of the central part (CP) relative to display panel 100.
In the example embodiment of the disclosure, generation module 510 and 530 is vibrated when passing through according to display panel 100 Driving vibration and the rear sound wave that generates in the chamber (CC) when being launched or be transferred to rear sound emission part 700, rear sound wave Pass through according to the direction of travel of rear sound wave from chamber (CC) to the first voice path to the 7th voice path of the first opening (OP1)Each of change mode be launched or transmit, thus after sound wave pass through rear sound emission part 700 and boundary Gap (BG) is output to the front direction of display panel 100, hence improves from the display according to embodiment of the present disclosure The bass frequencies characteristic of the sound wave of equipment output.In this case, the phase of the rear sound wave generated in the chamber (CC) according to First voice path to the 7th voice pathEach of length invert 90 ° (or 270 °) and prolong up to a period of time Then (or transmission line principle) late is output to the front direction of display panel 100 by boundary gap (BG).
If rear sound transmitting guide portion 900 is based on transmission line principle, i.e., the length and vibration in rear sound guidance path 910 The wavelength of the λ of the resonance frequency of generation device 500/4 is identical, then can increase the bass sound generated in vibration generating apparatus 500 Sound range.Therefore, the length in rear sound guidance path 910 is set to and the wave of the λ of the resonance frequency of vibration generating apparatus 500/4 Length is identical.Therefore, the length (m) of rear sound transmitting guide portion 900 be set to ' m=(340/Ft)/4'.Herein, ' 340' Indicate the initial velocity of sound wave, ' Ft' expression enhancing frequency (Hz), ' the 4' expression wavelength of λ/4.For example, if enhancing passes through display The 100Hz frequency of the sound wave of the vibration output of panel 100, then the length (m) of rear sound transmitting guide portion 900 is set to 0.85m。
In the display equipment according to the example embodiment of the disclosure, around the first vibration of vibration generating apparatus 500 The rear sound of generation module 510 emits guide portion 900 and vibrates generation module 530 around the second of vibration generating apparatus 500 Sound transmitting guide portion 900 can share the tenth straight line portion (L10) afterwards, as shown in Figure 8.In this case, it can reduce root According to the material cost of the rear sound transmitting guide portion 900 in the display equipment of the example embodiment of the disclosure.
On the other hand, in the display equipment according to the example embodiment of the disclosure, around vibration generating apparatus 500 The rear sound of first vibration generation module 510 emits guide portion 900 and generates mould around the second vibration of vibration generating apparatus 500 The spacer lines (BL) of each of the rear sound transmitting guide portion 900 of block 530 can have the spiral-shaped of curve, such as Fig. 9 It is shown, to form spiral-shaped rear sound guidance path 910.Herein, rear sound guidance path 910 can be represented as Sound guiding tube afterwards.For example, with curve spiral-shaped spacer lines (BL) can relative to vibration generating apparatus 500 (that is, It vibrates generation module 510 and 530) there is Archimedian screw shape.
According to the display equipment of the example embodiment of the disclosure can by preceding sound wave (FSW) and rear sound wave (RSW) it Between enhancing interfere to realize wide bass sound reproduction band and export high pressure sound, which is according to display panel 100 vibration output, which is equipped with the phase inverted by rear sound transmitting guide portion 900, and passes through rear sound Sound emission part 700 is output to the front direction (FD) of display panel 100.
Figure 10 instantiates the rear sound guidance component of another example embodiment according to the disclosure.Come in conjunction with Fig. 2 to Fig. 4 Referring to Fig.1 0, emitting guide portion 900 according to the rear sound of the example embodiment of the disclosure may include spiral-shaped partition Line (BL) (or barrier line), around each of the first vibration generation module 510 and the second vibration generation module 530.
Spacer lines (BL) can have constant width and height.For example, spacer lines (BL) can be by with constant width It is formed with the double faced adhesive tape of height or two-sided adherency foam pad.In this case, the height of spacer lines (BL) can be with panel The height of adhesive member 200 is identical.
Spacer lines (BL) according to the example embodiment of the disclosure may include the helically shaped first straight line of setting Part to (n) straight line portion (Herein, ' n' be 6 or the integer greater than 6), with around vibration generation module 510 With 530.
In first straight line part to (n) straight line portionIn the middle, (i+1) straight line portion (Li+1, this paper In, ' i' isInteger) from one end of (i) straight line portion (Li) be bent.(i+1) straight line portion (Li+1) can be with From one end 90-degree bent of (i) straight line portion (Li).In this case, the length of (i+1) straight line portion (Li+1) is greater than The length of (i) straight line portion (Li), so that spacer lines (BL) surround vibration generating apparatus 510 and 530 by spiral-shaped, that is, Vibrate the oscillating component of generation module 510 and 530.Therefore, (i) straight line portion (Li) and (i+2) straight line portion (Li+2) It is located in parallel to one another, and (i+1) line part (Li+1) and (i+3) straight line portion (Li+3) are located in parallel to one another. For example, the length of (i+1) straight line portion (Li+1) can be grown along a first direction than the length of (i) straight line portion (Li) (X) or the interval between second direction (Y) straight line portion adjacent to each other.First straight line part is to (n) straight line portionThe straight line portion of odd-numbered in the middle is parallel to first direction X (or second direction Y), and first straight line Divide to (n) straight line portionThe straight line portion of even-numbered in the middle can be parallel to second direction Y (or first Direction X).
For example, spacer lines (BL) may include first straight line part to the 6th straight line portionDirectly with first Line part is to the 6th straight line portionIt is configured to spiral-shaped around vibration generation module 510 and 530, partition Line (BL) forms the spiral-shaped rear sound of the first voice path and second sound path (P1, P2) that have straight length different Sound path of navigation 910.In this case, rear sound guidance path 910 may be expressed as rear sound guidance pipe, and sound road DiameterIt may be expressed as sound pipe or pipeline.
Hereinafter, the helically straight line portion of the vibration section 500a around the first vibration generation module 510 of shape The arragement construction of sound transmitting guide portion 900 afterwards, that is, first straight line part to the 6th straight line portionIt will be by detail It is described as follows.
First straight line part (L1) is arranged on the first vibration generation module 510 while being parallel to second direction (Y) Right side, second straight line part (L2) while being parallel to first direction (X) from the one end of first straight line part (L1) be bent And be arranged on the downside of the first vibration generation module 510, third straight line portion (L3) from second straight line part (L2) one End is bent and under conditions of the first vibration generation module 510 is disposed there between parallel with first straight line part (L1) While be arranged on the left side of the first vibration generation module 510, and the 4th straight line portion (L4) is from third straight line portion (L3) one end bending and first vibration generation module 510 be disposed there between under conditions of with second straight line part (L2) upside of the first vibration generation module 510 is arranged on while parallel.First straight line part is to the 4th straight line portion Each of (L1, L2, L3, L4) is arranged with interval identical with the first vibration generation module 510, so as to around the first vibration Generation module 510 is primary, to form chamber (CC) in the periphery of the first vibration generation module 510.In this case, chamber Room (CC) has the first opening (OP1) formed between first straight line part (L1) and the 4th straight line portion (L4), so that chamber Room (CC) has hull shape, and upper right portion is partly opened wide in planar structure.Therefore, passed through according to display panel 100 The rear sound wave that the vibration of the driving of first vibration generation module 510 generates in chamber (CC) can pass through first from chamber (CC) Opening (OP1) transmitting is transmitted to rear sound emission part 700.Herein, chamber (CC) can be defined as helmholtz resonance The volume of device (Helmholtz resonator).
5th straight line portion (L5) is while parallel with first straight line part (L1) from the one of the 4th straight line portion (L4) End bending, and the 5th straight line portion (L5) is arranged on the right side of first straight line part (L1).5th straight line portion (L5) with It is arranged with first straight line part (L1) at a distance of constant interval, thus the 5th straight line portion (L5) and first straight line part (L1) shape At the first voice path (P1).First voice path (P1) is connected to the first opening (OP1) of chamber (CC), so that passing through chamber (CC) direction of travel of the rear sound wave of the first opening (OP1) transmitting is changed to second direction (Y).
6th straight line portion (L6) is while parallel with second straight line part (L2) from the one of the 5th straight line portion (L5) End bending, and the 6th straight line portion (L6) is arranged on the downside of second straight line part (L2), and with rear sound emission part 700 connections.6th straight line portion (L6) with second straight line part (L2) at a distance of constant interval to be arranged, thus the 6th straight line portion (L6) and second straight line part (L2) is divided to form second sound path (P2).Second sound path (P2) and the first voice path (P1) it is connected to, so that being rear sound emission part 700 by the going direction changing of the rear sound wave of the first voice path (P1) transmitting.
First voice path (P1) and second sound path (P2) extend from the first opening (OP1) of chamber (CC), thus First voice path (P1) and second sound path (P2) can be limited by the length of the opening of Helmholtz resonator.First opens Mouthful (OP) is connected to each other with having the first voice path (P1) and second sound path (P2) of same widths and height, so that the The cross-sectional area of one opening (OP1) can be defined as the bore region of Helmholtz resonator.
In the example embodiment of the disclosure, the rear sound around the second vibration generation module 530 emits guide portion 900 can draw relative to the central part (CP) of display panel 100 with the rear sound transmitting around the first vibration generation module 510 It is symmetrical to lead portion 900.That is, being generated around the rear sound transmitting guide portion 900 of the first vibration generation module 510 and around the second vibration The rear sound transmitting guide portion 900 of module 530 has the symmetrical structure of the central part (CP) relative to display panel 100.
In the example embodiment of the disclosure, generation module 510 and 530 is vibrated when passing through according to display panel 100 Driving vibration and the rear sound wave that generates in the chamber (CC) emits guide portion 900 (that is, rear sound guiding tube) by rear sound Resonance amplification, and it is amplified after the phase of sound wave be inverted, then sent out by rear sound emission part 700 and boundary gap When being mapped to the front direction of display panel 100, it can improve and be exported from the display equipment of the example embodiment according to the disclosure Sound wave bass frequencies characteristic.In this case, the resonant frequency of rear sound transmitting guide portion 900 and the transmitting of rear sound are drawn The length for leading portion 900 can be measured by formula 1 below.
In equation 1 above, ' f' indicate resonance frequency, ' A' indicates the cross-sectional area of pipeline, ' l' indicates the length of pipeline Degree, ' V' indicate chamber volume, ' c' indicate sound wave speed (at 15 DEG C be 340m/s, when temperature increase 1 DEG C when, increase 0.6m)。
In equation 1 above, the resonant frequency of rear sound transmitting guide portion 900 is directly proportional to cross-sectional area (A) of pipeline. That is, sound is low when the cross-sectional area of pipeline is small.When chamber with big volume (V) and pipeline have it is longer When length, frequency is low.
Emit guide portion 900 according to the rear sound of the example embodiment of the disclosure to amplify by using the resonance of pipeline Amplified rear sound is inverted, rear sound is then output to side before display panel 100 by boundary gap by sound afterwards To strengthen the frequency characteristic of bass sound frequency band.
In the display equipment according to the example embodiment of the disclosure, around the first vibration of vibration generating apparatus 500 The rear sound of generation module 510 emits guide portion 900 and vibrates generation module 530 around the second of vibration generating apparatus 500 Sound transmitting guide portion 900 can share the 5th straight line portion (L5) afterwards.In this case, it can reduce showing according to the disclosure The material cost of rear sound transmitting guide portion 900 in the display equipment of example embodiment.
On the other hand, in the display equipment according to the example embodiment of the disclosure, around vibration generating apparatus 500 The rear sound of first vibration generation module 510 emits guide portion 900 and generates mould around the second vibration of vibration generating apparatus 500 The spacer lines (BL) of each of the rear sound transmitting guide portion 900 of block 530 can have the spiral-shaped of curve, such as Figure 11 It is shown.For example, the spiral-shaped spacer lines (BL) with curve can be relative to vibration generating apparatus 500 (that is, vibration generates Module 510 and 530) have Archimedian screw shape.
Made it possible to according to the display equipment of the example embodiment of the disclosure through preceding sound wave (FSW) and rear sound wave (RSW) enhancing between is interfered to realize wide bass sound reproduction band and export high pressure sound, which is basis The vibration output of display panel 100, which is equipped with the phase inverted by rear sound transmitting guide portion 900, and The front direction (FD) of display panel 100 is output to by rear sound emission part 700.
Feature, structure and the effect of the above-mentioned example embodiment of the disclosure include at least one embodiment party in the disclosure In formula, but it is not limited to an embodiment of the disclosure.In addition, as those skilled in the art can fully understand, the disclosure At least one embodiment described in feature, structure and effect can differently from one another mutual operation and technically by Driving.It should therefore be understood that the modifications and changes of mutual operation are included within the scope of the present disclosure.
According to one or more embodiments of the disclosure, show that equipment includes: display panel, which is matched It is set to display image；Rear surface structure, the rear surface structure are configured as surrounding side surface and the rear surface of the display panel； Vibration generating apparatus, the vibration generating apparatus and the rear surface structure are connected and configured to that the display panel is made to shake It is dynamic；Sound emission part afterwards, the rear sound emission part are formed between the display panel and the rear surface structure；And rear sound Sound guiding elements, the rear sound guidance component are formed between the display panel and the rear surface structure, to press spiral shape Shape is around the vibration generating apparatus and is configured as connecting with the rear sound emission part.
According to one or more embodiments of the disclosure, rear sound guidance component surrounds vibration generating apparatus at least one It is secondary.
According to one or more embodiments of the disclosure, rear sound guidance component includes the spiral with straight line or curve Shape setting is around the spacer lines of vibration generating apparatus.
According to one or more embodiments of the disclosure, spacer lines include the double-sided adhesive with constant width and height Band or two-sided adherency foam pad.
According to one or more embodiments of the disclosure, the front surface of spacer lines is attached to the rear table of display panel Face, and the rear surface of spacer lines is attached to rear surface structure.
According to one or more embodiments of the disclosure, spacer lines include first straight line part to the straight line portion (n) Point (herein, ' n' be 5 or the integer greater than 5), and (i+1) straight line portion (herein, ' i' is Integer) It is bent from one end of (i) straight line portion.
According to one or more embodiments of the disclosure, the length of (i+1) straight line portion is greater than the straight line portion (i) The length divided, (i) straight line portion and (i+2) straight line portion are parallel to each other, and (i+1) straight line portion and (i+3) Straight line portion is parallel to each other.
Surprise according to one or more embodiments of the disclosure, in first straight line part to (n) straight line portion The straight line portion of number number is parallel to first direction, and the even-numbered in first straight line part to (n) straight line portion Straight line portion be parallel to the second direction vertical with first direction.
According to one or more embodiments of the disclosure, spacer lines have Archimedes relative to vibration generating apparatus It is spiral-shaped.
According to one or more embodiments of the disclosure, spacer lines include first straight line part to the 6th straight line portion Point, and (i+1) straight line portion is bent from one end of (i) straight line portion.
According to one or more embodiments of the disclosure, the length of (i+1) straight line portion is greater than the straight line portion (i) The length divided, (i) straight line portion and (i+2) straight line portion are parallel to each other, and (i+1) straight line portion and (i+3) Straight line portion is parallel to each other.
Odd number according to one or more embodiments of the disclosure, in first straight line part to the 6th straight line portion The straight line portion of number is parallel to second direction, and the even-numbered in first straight line part to the 6th straight line portion is straight Line is partly parallel to the first direction vertical with second direction.
According to one or more embodiments of the disclosure, the phase of the rear sound wave exported by rear sound emission part with The phase of the preceding sound wave exported from display panel according to the vibration of display panel is identical.
According to one or more embodiments of the disclosure, vibration generating apparatus includes: the first vibration generation module, should First vibration generation module is configured as making the left domain oscillation of display panel；And second vibration generation module, this second vibration Dynamic generation module is configured as making the right domain oscillation of display panel, wherein rear sound guidance component is generated around the first vibration Each of module and the second vibration generation module.
According to one or more embodiments of the disclosure, show that equipment further includes being formed in rear surface structure and display Boundary gap between the side surface of panel, wherein rear surface structure includes: rear surface cover, which is configured For the rear surface for covering display panel, wherein be configured between the rear surface cover and the rear surface of the display panel Clearance space；And side surface cover, the side surface cover are formed in the edge of rear surface cover to surround display panel Each side surface, wherein boundary gap is configured between the side surface cover and the side surface of the display panel.
According to one or more embodiments of the disclosure, equipment is shown further include: be plugged on the back of display panel Panel connecting elements between edge and the leading edge of rear surface structure, wherein rear sound emission part is by removal panel connection Some regions of component and formed, and boundary gap is connect by rear sound emission part with rear sound guidance component.
According to one or more embodiments of the disclosure, rear surface structure further includes being formed in side surface cover with after Radius between the cover of surface.
According to one or more embodiments of the disclosure, side surface cover on the edge of rear surface cover with Inclination.
According to the example embodiment of the disclosure, a kind of display equipment may include: display panel, which is matched It is set to and shows image by shining；Rear surface structure, the rear surface structure be configured as surround display panel side surface and Rear surface；Vibration generating apparatus, the vibration generating apparatus are connected and configured to vibrate display panel with rear surface structure； Sound emission part afterwards, the rear sound emission part is between display panel and rear surface structure；And rear sound guidance component, it should Sound guidance component is between display panel and rear surface structure afterwards, with by it is spiral-shaped around vibration generating apparatus and by It is configured to connect with rear sound emission part.
In addition, rear sound emission part can be configured as the air between discharge display panel and rear surface structure.
In addition, rear sound guidance component can be around vibration generating apparatus at least once.
In addition, rear sound guidance component may include the helically shaped spacer lines of setting, and it is spiral-shaped can be by Straight line or curve are formed to surround vibration generating apparatus.
In addition, spacer lines may include the double faced adhesive tape or two-sided adherency foam pad with constant width and height.
In addition, the front surface of spacer lines can be attached to the rear surface of display panel, and the rear surface of spacer lines can be with It is attached to rear surface structure.
In addition, spacer lines may include first straight line part to (n) straight line portion, and (i+1) straight line portion can To be bent from one end of (i) straight line portion, wherein ' n' be 5 or the integer greater than 5, ' i' is 1 to ' n-1' integer.
In addition, the length of (i+1) straight line portion can be greater than (i) straight line portion length, (i) straight line portion and (i+2) straight line portion can be parallel to each other, and (i+1) straight line portion and (i+3) straight line portion can be parallel to each other.
In addition, the straight line portion of the odd-numbered in first straight line part to (n) straight line portion can be parallel to One direction, and the straight line portion of the even-numbered in first straight line part to (n) straight line portion can be parallel to and the The vertical second direction in one direction.
In addition, spacer lines can have Archimedian screw shape relative to vibration generating apparatus.
In addition, ' n' can be 6.
In addition, by rear sound emission part export rear sound wave phase can with according to display panel with vibration generate The vibration of device and vibrate from display panel export preceding sound wave phase it is identical.
In addition, vibration generating apparatus may include: the first vibration generation module, which is configured as Make the left domain oscillation of display panel；And second vibration generation module, this second vibration generation module be configured as making to show The right domain oscillation of panel, wherein rear sound guidance component is in the first vibration generation module and the second vibration generation module Each.
In addition, display equipment can also include between boundary between rear surface structure and the side surface of display panel Gap, wherein rear surface structure includes: rear surface cover, which is configured as the rear surface of covering display panel, In, clearance space is configured between the rear surface cover and the rear surface of the display panel；And side surface cover connects The edge of rear surface cover is connected to surround the side surface of display panel, wherein in the side surface cover and the display surface Boundary gap is configured between the side surface of plate.
In addition, display equipment can also include being plugged between the back edge of display panel and the leading edge of rear surface cover Panel connecting elements, wherein rear sound emission part be formed by removing some regions of panel connecting elements, and Boundary gap is connect by rear sound emission part with rear sound guidance component.
In addition, rear surface structure can also include the radius between side surface cover and rear surface cover.
In addition, side surface cover can relative to rear surface cover withInclination.
Therefore, the display equipment of example embodiment according to the present invention can be to the region output sound before display panel Sound, and can be realized wide bass sound reproduction band and export high sound pressure level.
To those skilled in the art it is evident that, can be in the spirit or scope for not departing from the disclosure In the case of carry out various modifications and change in the disclosure.Therefore, what the disclosure was intended to cover the disclosure falls into appended right It is required that and its modifications and changes in the range of equivalent.
Cross reference to related applications
This application claims the equity of the South Korea patent application No.10-2017-0150670 submitted on November 13rd, 2017, The South Korea patent application is incorporated into herein by reference, as it is all illustrated herein.

Claims (19)

1. a kind of display equipment, the display equipment include:
Display panel, the display panel are configured as showing image by shining；
Rear surface structure, the rear surface structure are configured as surrounding side surface and the rear surface of the display panel；
Vibration generating apparatus, the vibration generating apparatus and the rear surface structure are connected and configured to make the display panel Vibration；
Sound emission part afterwards, the rear sound emission part is between the display panel and the rear surface structure；And
Sound guidance component afterwards, the rear sound guidance component is between the display panel and the rear surface structure, to press It is spiral-shaped to surround the vibration generating apparatus and be configured as connecting with the rear sound emission part.
2. display equipment according to claim 1, wherein sound emission part is configured as that the display surface is discharged after described Air between plate and the rear surface structure.
3. display equipment according to claim 1, wherein sound guidance component surrounds the vibration generating apparatus after described At least once.
4. display equipment according to claim 3, wherein
After described sound guidance component include with the spacer lines of spiral-shaped setting, and it is described spiral-shaped by straight line or curve It is formed to surround the vibration generating apparatus.
5. display equipment according to claim 4, wherein the spacer lines include have constant width and height two-sided Adhesive tape or two-sided adherency foam pad.
6. display equipment according to claim 5, wherein the front surface of the spacer lines is attached to the display panel Rear surface, and the rear surface of the spacer lines is attached to the rear surface structure.
7. display equipment according to claim 4, wherein the spacer lines include first straight line part to the n-th straight line portion Point, and (i+1) straight line portion is bent from one end of the i-th straight line portion, wherein and n is 5 or the integer greater than 5, and i is 1 To the integer of (n-1).
8. display equipment according to claim 7, wherein it is straight that the length of (i+1) straight line portion is greater than described i-th The length of line part, i-th straight line portion and (i+2) straight line portion are parallel to each other, and (i+1) straight line portion and (i+3) straight line portion is parallel to each other.
9. display equipment according to claim 8, wherein in the first straight line part to n-th straight line portion The straight line portion of odd-numbered be parallel to first direction, and in the first straight line part to n-th straight line portion The straight line portion of even-numbered be parallel to the second direction vertical with the first direction.
10. display equipment according to claim 4, wherein the spacer lines have relative to the vibration generating apparatus Archimedian screw shape.
11. display equipment according to claim 7, wherein n is 6.
12. display equipment according to claim 8, wherein n is 6.
13. display equipment according to claim 9, wherein n is 6.
14. display equipment according to claim 1, wherein pass through the phase of the rear sound wave of the rear sound emission part output Position with vibrated according to the display panel with the vibration of the vibration generating apparatus from the display panel output preceding sound The phase of wave is identical.
15. display equipment according to claim 1, wherein the vibration generating apparatus includes:
First vibration generation module, the first vibration generation module are configured as making the left domain oscillation of the display panel；With And
Second vibration generation module, the second vibration generation module are configured as making the right domain oscillation of the display panel,
Wherein, the rear sound guidance component is in the first vibration generation module and the second vibration generation module Each.
16. display equipment according to claim 1, which further includes being located at the rear surface structure to show with described Show the boundary gap between the side surface of panel,
Wherein, the rear surface structure includes:
Rear surface cover, the rear surface cover are configured as covering the rear surface of the display panel, wherein in the rear surface Clearance space is configured between cover and the rear surface of the display panel；And
Side surface cover, the side surface cover are connected to the edge of the rear surface cover to surround the side table of the display panel Face, wherein be prepared with boundary gap between the side surface cover and the side surface of the display panel.
17. display equipment according to claim 16, the display equipment further include:
Panel connecting elements, before which is plugged on the back edge and the rear surface cover of the display panel Between edge,
Wherein, sound emission part is formed by removing some regions of the panel connecting elements after described, and institute It states boundary gap and is connect by the rear sound emission part with the rear sound guidance component.
18. display equipment according to claim 16, wherein the rear surface structure further includes being located at the side surface lid Radius between portion and the rear surface cover.
19. display equipment according to claim 16, wherein the side surface cover relative to the rear surface cover with 90 ° to 145 ° inclinations.
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US20200245059A1 (en) 2020-07-30
US10659871B2 (en) 2020-05-19

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